Augmentation makes things bigger. An augmentation is also the amount something increases.

To augment is to enlarge something or to add to it. Augmentation is the noun for any process or amount that makes something bigger or greater. It often refers to a budget, curriculum, or some kinds of plastic surgery. The augmentation of the defense budget would increase the budget. The amount of the increase could also be called an augmentation.

Definitions of augmentation

n the act of augmenting

Type of:
increase, step-up
the act of increasing something

n the amount by which something increases

Type of:
a change resulting in an increase

n the statement of a theme in notes of greater duration (usually twice the length of the original)

the statement of a theme in notes of lesser duration (usually half the length of the original)
Type of:
(music) the presentation of a musical theme

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